typelevel/spire

Powerful new number types and numeric abstractions for Scala.

finagle/finch

Scala combinator library for building Finagle HTTP services

japgolly/scalajs-react

Facebook's React on Scala.JS

julien-truffaut/monocle

Optics library for Scala

pureconfig/pureconfig

A boilerplate-free library for loading configuration files

scala-steward-org/scala-steward

:robot: A bot that helps you keep your Scala projects up-to-date

7mind/izumi

Productivity-oriented collection of lightweight fancy stuff for Scala toolchain

bkirwi/decline

A composable command-line parser for Scala.

typelevel/kittens

Automatic type class derivation for Cats

notxcain/aecor

Pure functional event sourcing runtime

pepegar/hammock

Purely functional HTTP client

cb372/cats-retry

augustjune/canoe

Functional Telegram Bot API for Scala

ovotech/fs2-kafka

Functional Kafka Streams for Scala

alonsodomin/cron4s

Cross-platform CRON expression parsing for Scala

circe/circe-yaml

YAML parser for circe using SnakeYAML

rmsone/slick-cats

Cats instances for Slick DBIO

banno/kafka4s

Functional programming with Kafka and Scala

davegurnell/checklist

Validation library for Scala.

circe/circe-golden

Golden testing for Circe